Apple TV update released, adds new content providers (updated)

With all the other iOS-based devices in Apple's lineup getting an update today, it's no surprise that the Apple TV received one as well. The update is expected to add access to Photo Stream and will also add the new iTunes Movie Trailers app that was released for iOS today. Other new features include content from the National Hockey League (NHL) and the Wall Street Journal Live. We'll update with a full changelog once one is available.

Update (3:45 p.m. ET): After a lengthy update, the full changes include:

• AirPlay mirroring with the iPad 2 added
• Photo Stream activated
• Trailers installed
• National Hockey League content added with the ability to watch live games and view highlights, scores and more
• Wall Street Journal Live added with up-to-date news, business commentary and financial analysis